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authorTheodore Ts'o <tytso@mit.edu>2010-12-16 16:38:26 -0500
committerTheodore Ts'o <tytso@mit.edu>2010-12-16 16:38:26 -0500
commit225db7d35c33f076115a583abec238a696f4467e (patch)
treed31fbe96f045d734b0c6cbf4b85afc1ba25d458e /fs/ext4
parenta2595b8aa67011419dae26b47e474f46df902989 (diff)
ext4: Fix up comments in inode.c
This fixes up some broken argument descriptions that Namhyung Kim had originally submitted for ext3. This fixes the comments that were still applicable in ext4. Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
Diffstat (limited to 'fs/ext4')
-rw-r--r--fs/ext4/inode.c17
1 files changed, 13 insertions, 4 deletions
diff --git a/fs/ext4/inode.c b/fs/ext4/inode.c
index e659597b690b..db3cc913ee8f 100644
--- a/fs/ext4/inode.c
+++ b/fs/ext4/inode.c
@@ -552,7 +552,7 @@ static ext4_fsblk_t ext4_find_goal(struct inode *inode, ext4_lblk_t block,
552} 552}
553 553
554/** 554/**
555 * ext4_blks_to_allocate: Look up the block map and count the number 555 * ext4_blks_to_allocate - Look up the block map and count the number
556 * of direct blocks need to be allocated for the given branch. 556 * of direct blocks need to be allocated for the given branch.
557 * 557 *
558 * @branch: chain of indirect blocks 558 * @branch: chain of indirect blocks
@@ -591,13 +591,19 @@ static int ext4_blks_to_allocate(Indirect *branch, int k, unsigned int blks,
591 591
592/** 592/**
593 * ext4_alloc_blocks: multiple allocate blocks needed for a branch 593 * ext4_alloc_blocks: multiple allocate blocks needed for a branch
594 * @handle: handle for this transaction
595 * @inode: inode which needs allocated blocks
596 * @iblock: the logical block to start allocated at
597 * @goal: preferred physical block of allocation
594 * @indirect_blks: the number of blocks need to allocate for indirect 598 * @indirect_blks: the number of blocks need to allocate for indirect
595 * blocks 599 * blocks
596 * 600 * @blks: number of desired blocks
597 * @new_blocks: on return it will store the new block numbers for 601 * @new_blocks: on return it will store the new block numbers for
598 * the indirect blocks(if needed) and the first direct block, 602 * the indirect blocks(if needed) and the first direct block,
599 * @blks: on return it will store the total number of allocated 603 * @err: on return it will store the error code
600 * direct blocks 604 *
605 * This function will return the number of blocks allocated as
606 * requested by the passed-in parameters.
601 */ 607 */
602static int ext4_alloc_blocks(handle_t *handle, struct inode *inode, 608static int ext4_alloc_blocks(handle_t *handle, struct inode *inode,
603 ext4_lblk_t iblock, ext4_fsblk_t goal, 609 ext4_lblk_t iblock, ext4_fsblk_t goal,
@@ -711,9 +717,11 @@ failed_out:
711 717
712/** 718/**
713 * ext4_alloc_branch - allocate and set up a chain of blocks. 719 * ext4_alloc_branch - allocate and set up a chain of blocks.
720 * @handle: handle for this transaction
714 * @inode: owner 721 * @inode: owner
715 * @indirect_blks: number of allocated indirect blocks 722 * @indirect_blks: number of allocated indirect blocks
716 * @blks: number of allocated direct blocks 723 * @blks: number of allocated direct blocks
724 * @goal: preferred place for allocation
717 * @offsets: offsets (in the blocks) to store the pointers to next. 725 * @offsets: offsets (in the blocks) to store the pointers to next.
718 * @branch: place to store the chain in. 726 * @branch: place to store the chain in.
719 * 727 *
@@ -826,6 +834,7 @@ failed:
826 834
827/** 835/**
828 * ext4_splice_branch - splice the allocated branch onto inode. 836 * ext4_splice_branch - splice the allocated branch onto inode.
837 * @handle: handle for this transaction
829 * @inode: owner 838 * @inode: owner
830 * @block: (logical) number of block we are adding 839 * @block: (logical) number of block we are adding
831 * @chain: chain of indirect blocks (with a missing link - see 840 * @chain: chain of indirect blocks (with a missing link - see